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thienluan14211
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
Giải các phương trình sau:
[tex]a) \sqrt{4x^4+4x^2+1}-15x=3+2x^2\\b)\sqrt{3+\sqrt{5-\sqrt{13+\sqrt{48}}}}=2(2x-1)+\sqrt{2+\sqrt{3}}[/tex]
[tex]a) \sqrt{4x^4+4x^2+1}-15x=3+2x^2\\b)\sqrt{3+\sqrt{5-\sqrt{13+\sqrt{48}}}}=2(2x-1)+\sqrt{2+\sqrt{3}}[/tex]